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  <h1 class="topictitle1">客户端独立部署到生产主机场景、如何在生产主机上添加环境变量（适用于1.5.0SPC13及后续版本）</h1>
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   <p>客户端独立部署到生产主机场景，完成客户端的部署后，需在部署了客户端的各个主机上添加环境变量，否则Roach命令将执行失败。</p>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>使用PuTTY，登录已部署客户端的GaussDB(DWS)集群的所有CN节点。</span></li>
     <li><span>执行以下命令，进入<strong>env</strong>文件，以用户名<strong>omm</strong>为例。</span><p></p><pre class="screen">vi /home/<em>omm</em>/profile/env</pre>
      <div class="p">
       确认<strong>env</strong>文件中已添加以下内容，以客户端安装目录<strong>/opt</strong>为例。
       <pre class="screen">export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/<em>opt</em>/DataBackup/ProtectClient/interfaces/xbsa/lib</pre>
      </div> <p></p></li>
     <li><span>执行以下命令，进入<strong>.bashrc</strong>文件，以用户名<strong>omm</strong>为例。</span><p></p><pre class="screen">vi /home/<em>omm</em>/.bashrc</pre>
      <div class="p">
       确认<strong>.bashrc</strong>文件中已添加以下内容，以客户端安装目录<strong>/opt</strong>为例。
       <pre class="screen">export DATA_BACKUP_AGENT_HOME=/<em>opt</em></pre>
      </div> <p></p></li>
    </ol>
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